Prehistoric stones unearthed in Aswan

http://tinyurl.com/36dxdp (sis.gov.eg)

"An archaeological team from Belgium, working in the Upper Egyptian town of Kom Ombo, near Aswan, have unearthed three stones engraved with inscriptions 15,000 years ago. 'There are engravings of cows, hippopotami, giraffes and fish on the stones, as well as other symbolic and abstract inscriptions,' said Culture Minister Farouq Hosni. He said the artistry of the stones differs from that normally found in the Stone Age. Pilot studies showed that the stones were subject to adverse weather conditions over the passage of time. Despite being heavily engraved with inscriptions, the three stones reflect a unique artistic school differing from the Stone Age."

This is frustratingly short on useful information - I'll try to find out more.